Card decks with 52 aces of spades were used for psych warfare in Vietnam

During the Vietnam War, American soldiers started hearing rumors that the Vietnamese were very superstitious about the ace of spades. So Cincinnati's U.S. Playing Card Co. responded by printing decks of nothing but ace of spades—and sending them for free to GIs in Vietnam for the purposes of "psychological warfare." » 12/29/14 2:43pm 12/29/14 2:43pm

These Astonishing Vietnam War Firefight Photos Look Like Laser Hell

When James Speed Hensinger was 22, he'd already spent nine months fighting in Vietnam, spending his nights in perpetual fear of snipers hiding in the mountains above. So come April of 1970, after fielding multiple nighttime attacks from a single sniper and his AK47, the 173rd Airborne Brigade—of which Hensinger was a… » 6/25/13 3:28pm 6/25/13 3:28pm